\documentclass{article}
\usepackage{amssymb,amsmath,amscd,concmath}
\pagestyle{empty}
\begin{document}
\begin{equation*}girls=time*money<br>
time=money<br>
girls={money}^2<br>
money=/sqrt{evil}<br>
{money}^2=evil<br>
girls=evil\end{equation*}
\end{document}
